code: def with_mpi_pool_executor():
      with MPIPoolExecutor(4) as executor:
          return list(executor.map(is_prime, PRIMES))
  
file_path: mpi4py/demo/futures/perf_primes.py
imports: import sys
  import time
  import math
  from mpi4py.futures import MPIPoolExecutor
label_desc: Use image node_id 5 for calling a global function with example usage: with_mpi_pool_executor() and returns: list